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Finding the Fourth Proportional to 97,497.36, 134,545.32 and 55,053.36

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Solution

The fourth proportional to 97,497.36, 134,545.32 and 55,053.36 is: 75,973.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,497.36 : 134,545.32 = 55,053.36 : x
  2. Step 2: Convert to fraction form
    97,497.36/134,545.32 = 55,053.36/x
  3. Step 3: Cross multiply
    97,497.36x = 134,545.32 × 55,053.36
  4. Step 4: Simplify right side
    97,497.36x = 7,407,171,938.28
  5. Step 5: Solve for x
    x = 7,407,171,938.28/97,497.36
  6. Step 6: Final answer
    x = 75,973.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.